/* * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.lang.management; /** * Types of {@link MemoryPoolMXBean memory pools}. * * @author Mandy Chung * @since 1.5 */ public enum MemoryType { /** * Heap memory type. *

* The Java virtual machine has a heap * that is the runtime data area from which * memory for all class instances and arrays are allocated. */ HEAP("Heap memory"), /** * Non-heap memory type. *

* The Java virtual machine manages memory other than the heap * (referred as non-heap memory). The non-heap memory includes * the method area and memory required for the internal * processing or optimization for the Java virtual machine. * It stores per-class structures such as a runtime * constant pool, field and method data, and the code for * methods and constructors. */ NON_HEAP("Non-heap memory"); private final String description; private MemoryType(String s) { this.description = s; } /** * Returns the string representation of this {@code MemoryType}. * @return the string representation of this {@code MemoryType}. */ public String toString() { return description; } private static final long serialVersionUID = 6992337162326171013L; }